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Dell Command | Monitor Version 10.3 User's Guide

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Setting BIOS attributes in a system running Windows using PowerShell commands

You can set BIOS attributes using the SetBIOSAttributes method. The procedure is explained below using a task of enabling the Trusted Platform Module (TPM) as an example.

NOTE: Make sure the TPM option is cleared in the BIOS before following the procedure to enable the TPM.
NOTE: Use PowerShell with Administrator privileges.

To enable TPM,

  1. Set the BIOS password on the system if not set already using the following PowerShell command:
    Get-CimInstance -Namespace root\dcim\sysman -ClassName DCIM_BIOSService | Invoke-CimMethod -MethodName SetBIOSAttributes -Arguments @{AttributeName=@("AdminPwd");AttributeValue=@("<Admin password>")}
  2. Enable TPM security using the following command:
    Get-CimInstance -Namespace root\dcim\sysman -ClassName DCIM_BIOSService | Invoke-CimMethod -MethodName SetBIOSAttributes -Arguments @{AttributeName=@("Trusted Platform Module ");AttributeValue=@("1");AuthorizationToken="<Admin password>"}
  3. Restart the system.
  4. Activate the TPM using the following command:
    Get-CimInstance -Namespace root\dcim\sysman -ClassName DCIM_BIOSService | Invoke-CimMethod -MethodName SetBIOSAttributes -Arguments @{AttributeName=@(" Trusted Platform Module Activation");AttributeValue=@("2");AuthorizationToken="<Admin password>"}
  5. Restart the system.

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